Sets out guidelines for pruning of amenity trees. It classifies pruning into two types: crown maintenance which includes the classes of general, formative, selective, deadwooding and thinning and crown modification which includes the classes of reduction, crown lifting, pollarding, remedial and line clearance. It does not include sculptural forms of pruning such as topiary nor does it include safety of the tree worker, wildlife habitat or practices relating to root pruning, chemical pruning, timber, foliage, fruit or flower production.